Answer:
A weighty currency.
I am a teacher but I have a problem. Every time the students come into my class my eyes bounce and flutter all over the place. Why is this?
The Titanic is still chilling there!
How much does it cost to go to Hogwarts?
What vegetable goes well with jacket potatoes?
You throw me out when you use me and take me in when you are done.
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?